Select the related word/letters/number from the given alternatives.

5 : 100 : : 6 : ?

Find the missing number?

‘Glaucoma’ is related to ‘Eyes’ in the same way as ‘Arthritis’ is related to ‘_____’.

Identify the number that does NOT related to the following series.
25, 28, 23, 30, 21, 33

Three of the following words are alike in a certain manner and one is different. Find the odd one out.

Which one of the given responses would be a meaningful order of the following words?
(1) ATM (2) Cash (3) ATM Card (4) PIN 

There are five friends A, B, C, D and E. Two of them are businessmen while the other three belong to different occupations viz. medical, engineer and legal. One businessman and the lawyer stay in the same locality S, while the other three stay in three different localities P, Q and R. Two of these five persons are Hindus while the remaining three come from three different communities viz. Muslim, Christian and Sikh. The lawyer is the oldest in age while one of the businessmen who runs a factory is the youngest. The other businessman is a cloth merchant and age wise lies between the doctor and the lawyer. D is a cloth merchant and stays in locality S while E is a Muslim and stays in locality R. The doctor is a Christian and stays in locality P, B is a Sikh while A is a Hindu and runs a factory.

What is C's occupation?

Find the odd word/number/letters/number pair from the given alternatives.